Power adapter



FIG. 1 is a perspective view of a power adapter showing our new design;

FIG. 2 is a right side view thereof, the left side view being a mirror image;

FIG. 3 is a rear view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines illustrate environmental structure and form no part of the claimed design. The drawings include surface shading that represents contour and not surface ornamentation. 

CLAIM The ornamental design for a power adapter, as shown and described. 